Is it better to offer 2-3 links to access the same page or one single link?

1. Why must the Web site have the same links in the same location as the previous page?
2. How many links for SEO?
3. How many links should be on a page?

Why must the Web site have the same links in the same location as the previous page?

Providing redundancy on webpages can sometimes help people find their way. However, redundancy increases the interaction cost. Duplicating links is one of the four major dangerous navigation techniques that cause cognitive strain.

How many links for SEO?

For most websites, and for most pages on those websites, the optimum number of links that point back to your content should be around 20. As with everything else related to SEO, this number will get slightly smaller or larger depending on the size of your site.

How many links should be on a page?

Google's Link Limit

Rather, Google's guidelines stated that webmasters should use a reasonable number of links per page, with fewer than 100 links being the recommended limit.